LG MULTI V ARWN80LA2 Product Data page 145

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7.7.2 Y Branch and Header Fitting
Y branch
A
• Ensure that the branch pipes are attached horizontally or vertically (see the diagram below.)
A
• There is no limitation on the joint mounting configuration.
• If the diameter of the refrigerant piping selected by the procedures described is different from the size of the
joint, the connecting section should be cut with a pipe cutter.
• Branch pipe should be insulated with the insulator in each kit.
Insulator
(included with kit)
Header
33
33
B
Horizontal
plane
Viewed from point A
in direction of arrow
Liquid and Gas
pipe joints
A
B
C
A
To Outdoor Unit
To Branch Piping or Indoor Unit
B
Within +/- 10°
Tape
(field supply)
Insulator for
field piping
A
To Outside Unit
B
To Indoor Unit
• The indoor unit having larger capacity must be
installed closer to
than smaller one.
• If the diameter of the refrigerant piping selected
by the procedures described is different from the
size of the joint, the connecting section should be
cut with a pipe cutter.
Pipe cutter
• When the number of pipes to be connected is
smaller than the number of header branches,
install a cap to the unconnected branches.
Facing
Facing
downwards
upwards
Within ± 3°
Within ± 3°
Installation

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